<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width,initial-scale=1.0">
  <title>bilibili</title>
  <style type="text/css">
    body,ul{
      margin: 0;
      padding: 0;
    }
    body {
      border: 0;
      height: 100%;
      background-color: #fbfbfb;
    }
    .selected{
      color: palevioletred;
    }
  </style>
</head>
<body>
<div id="app"></div>
</body>
</html>
